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From: Eric Blake <eblake@redhat.com>
Newsgroups: gnu.bash.bug
Subject: Re: exiting noninteractive shells on 'shift 2'
Date: Fri, 9 Nov 2018 10:46:33 -0600
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On 11/9/18 10:42 AM, Chet Ramey wrote:

>=20
>>  =C2=A0=C2=A0=C2=A0 A diagnostic message shall be written to standard =
error whenever an
>> error condition occurs."
>>
>> Since 'shift 2' when $# is 1 is an error, and results in non-zero stat=
us,
>> it should print a diagnostic to stderr.
>=20
> So maybe the thing to do is to turn on the shift_verbose option in posi=
x
> mode.

Cool - I didn't realize we already had a shopt for that. Yes, it sounds=20
like in POSIX mode, shift_verbose should be turned on.

On a related note, should turning on POSIX mode also auto-enable xpg_echo=
?

--=20
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org